3. of 所有格的用法:用于无生命的东西:the legs of the chair, the cover of the book用于有生命的东西,尤其是有较长定语时:the classrooms of the first-year students用于名词化的词:the struggle of the oppressed 名词单复数的判断 1.如何判定是可数名词还是不可...